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1.
Cephalalgia ; 43(6): 3331024231182126, 2023 06.
Artículo en Inglés | MEDLINE | ID: mdl-37317535

RESUMEN

BACKGROUND: Patients diagnosed with New Daily Persistent Headache and Persistent Post-Traumatic Headache belong to a heterogeneous group of primary and secondary headache disorders, with the common clinical feature that these conditions start abruptly, continue unabated, and are refractory to conventional migraine preventive treatments. OBJECTIVE: This is a real-world, medium-term audit to explore whether erenumab improves quality of life in a pooled group of 82 abrupt-onset, unremitting and treatment refractory patients, where the diagnosis is new daily persistent headache and persistent post-traumatic headache in the majority of cases. METHODS: Eighty-two patients were treated with erenumab every 28 days over a two to three-year period, beginning in December 2018. These patients were "longstanding chronic" and refractory with a median of eight (IQR 4-12) prior failed migraine preventive treatments and median duration of disease of seven (IQR 3-11) years. The starting dose of erenumab was 70 mg in 79% of cases and 140 mg in the remaining patients (individuals with a BMI of more than 30). All patients were asked to complete three migraine specific Quality of Life questionnaires or Patient Reported Outcome Measures before starting treatment and typically at 3-12 intervals until the end of June 2021 or cessation of treatment. The Patient Reported Outcome Measures included: Headache Impact Test-6, Migraine Associated Disability Assessment test and Migraine-Specific Quality-of-Life Questionnaire. Patients generally only stayed on treatment after 6-12 months if there was deemed to be an improvement of at least 30% and there were no significant side effects. The longest treated cases have quality of life data for 30 months after starting erenumab. RESULTS: Of the 82 patients, 29 (35%) had improvement in Quality of Life scores, with no significant side effects, and wished to stay on treatment. Fifty-three patients (65%) stopped treatment during the first 6-25 months due to lack of efficacy and/or patient reported side effects (n = 33 and n = 17, respectively) or a combination of both, pregnancy planning (n = 2), and lost to follow up (n = 1). CONCLUSION: Significant improvements in Quality of Life scores were recorded by one-third of patients over a period of 11-30 months, with a 35% persistence after a median of 26 months of treatment. This contrasts with our recently published, treatment resistant, chronic migraine cohort where the persistence with erenumab treatment was almost 55% after a median time of 25 months.


Asunto(s)
Efectos Colaterales y Reacciones Adversas Relacionados con Medicamentos , Trastornos de Cefalalgia , Trastornos Migrañosos , Cefalea Postraumática , Cefalea de Tipo Tensional , Femenino , Embarazo , Humanos , Calidad de Vida , Trastornos Migrañosos/tratamiento farmacológico , Fenotipo , Cefalea
2.
J Headache Pain ; 24(1): 5, 2023 Jan 16.
Artículo en Inglés | MEDLINE | ID: mdl-36647006

RESUMEN

BACKGROUND: Many migraine patients do not respond adequately to conventional preventive treatments and are therefore described as treatment/medically resistant or difficult to treat cases. Calcitonin gene-related peptide monoclonal antibodies are a relatively novel molecular treatment for episodic and chronic migraine that have been shown to be effective in short duration clinical trials in approximately 40-50% of all chronic migraine patients. Patient Related Outcome Measures (PROM) or Quality of Life (QoL) questionnaires are used to help measure response to treatment in migraine. Although some open label extension studies have become available for erenumab, there is a lack of real-world data pertaining to quality of life in the medium to long-term for chronic and treatment resistant migraine patients. METHODS: A total of 177 treatment resistant CM patients were started on erenumab (70 mg or 140 mg subcutaneous injection every 4 weeks) in our three specialist Headache Clinics. Of these, 174 had their first injection between December 2018 and October 2019. All patients were evaluated with the following PROM: the Headache Impact Test- 6, Migraine Associated Disability Assessment test and Migraine-Specific QoL Questionnaire, before starting treatment with erenumab and at intervals of 3-12 months after starting treatment. The decision to continue treatment was based on subjective clinical improvement of at least 30% (as reported by the patient), supported with diaries and QoL questionnaires. We present here the QoL measurements for this group of 177 patients. Prior preventive migraine treatments included conventional oral prophylactic medications (such as topiramate, candesartan, propranolol, or amitriptyline), at least two cycles of PREEMPT protocol onabotulinumtoxin A or (in a small number of cases) neuromodulation with single pulse Transcranial Magnetic Stimulation. RESULTS: Of the 177 patients who started treatment with erenumab, 68/177 (38.4%) stopped during the first year, either due to lack of efficacy (no significant benefit or only minimal improvement) and/or possible side effects. 109/177 (61.6%) patients reported clinically significant improvement after 6-12 months and wished to stay on treatment. Twelve of these 109 patients subsequently stopped treatment in the period between 1 year and up to June 2021 (mainly due to a worsening of their migraine). Therefore, a total of 97/177 patients (54.8%) remained on treatment as of June 2021 (duration of treatment 17-30 months, median of 25 months). CONCLUSION: Approximately 55% of treatment resistant or difficult to treat CM patients who trialled erenumab in our clinics reported a subjective benefit and were still on treatment after 17-30 months.


Asunto(s)
Trastornos Migrañosos , Calidad de Vida , Humanos , Antagonistas del Receptor Peptídico Relacionado con el Gen de la Calcitonina/farmacología , Antagonistas del Receptor Peptídico Relacionado con el Gen de la Calcitonina/uso terapéutico , Método Doble Ciego , Trastornos Migrañosos/tratamiento farmacológico , Trastornos Migrañosos/prevención & control , Medición de Resultados Informados por el Paciente , Cefalea/tratamiento farmacológico , Resultado del Tratamiento
3.
Neurosurg Focus ; 19(5): E6, 2005 Nov 15.
Artículo en Inglés | MEDLINE | ID: mdl-16398470

RESUMEN

Germ line and somatic mutations in the neurofibromatosis Type 2 (NF2) tumor suppressor gene predispose individuals to tumors of the nervous system, including schwannomas and meningiomas. Since identification of the NF2 gene more than a decade ago, a large body of information has been collected on the nature and consequences of these alterations in patients with NF2 and in individuals in whom sporadic tumors associated with NF2 develop. The catalog of mutations identified thus far has facilitated extensive genetic analysis, including studies of patients with mosaicism and phenotype-genotype correlations, and has also led to experiments that have begun to unravel the molecular biology of the NF2 gene and its role in tumorigenesis. The authors describe some of the most significant findings in NF2 genetics and biology over the last decade.


Asunto(s)
Genes de la Neurofibromatosis 2/fisiología , Neoplasias del Sistema Nervioso/genética , Neurofibromatosis 2/genética , Animales , Humanos , Neoplasias del Sistema Nervioso/etiología , Neurofibromatosis 2/etiología
4.
Neurology ; 84(12): 1249-53, 2015 Mar 24.
Artículo en Inglés | MEDLINE | ID: mdl-25713002

RESUMEN

OBJECTIVE: To report our initial experience with a novel device, designed to provide portable, noninvasive, transcutaneous stimulation of the vagus nerve, both acutely and preventively, as a treatment for cluster headache. METHODS: Patients with cluster headache (11 chronic, 8 episodic), from 2 centers, including 7 who were refractory to drug treatment, had sufficient data available for analysis in this open-label observational cohort study. The device, known as the gammaCore, was used acutely to treat individual attacks as well as to provide prevention. Patient-estimated efficacy data were collected by systematic inquiry during follow-up appointments up to a period of 52 weeks of continuous use. RESULTS: Fifteen patients reported an overall improvement in their condition, with 4 reporting no change, providing a mean overall estimated improvement of 48%. Of all attacks treated, 47% were aborted within an average of 11 ± 1 minutes of commencing stimulation. Ten patients reduced their acute use of high-flow oxygen by 55% with 9 reducing triptan use by 48%. Prophylactic use of the device resulted in a substantial reduction in estimated mean attack frequency from 4.5/24 hours to 2.6/24 hours (p < 0.0005) posttreatment. CONCLUSION: These data suggest that noninvasive vagus nerve stimulation may be practical and effective as an acute and preventive treatment in chronic cluster headache. Further evaluation of this treatment using randomized sham-controlled trials is thus warranted. CLASSIFICATION OF EVIDENCE: This study provides Class IV evidence that for patients with cluster headache, transcutaneous stimulation of the vagus nerve aborts acute attacks and reduces the frequency of attacks.


Asunto(s)
Cefalalgia Histamínica/terapia , Estimulación del Nervio Vago/instrumentación , Adolescente , Adulto , Anciano de 80 o más Años , Cefalalgia Histamínica/prevención & control , Estudios de Cohortes , Femenino , Estudios de Seguimiento , Humanos , Masculino , Persona de Mediana Edad , Evaluación del Resultado de la Atención al Paciente , Resultado del Tratamiento , Estimulación del Nervio Vago/métodos
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